Due to the snow, all school buses for Durham Region Catholic and public schools are cancelled today including: Durham District and Catholic School Boards, Kawartha Pine Ridge District School Board, Peterborough Victoria Northumberland Clarington Catholic District School Board and Conseil Scolarie de District Catholique Centre-Sud.

Schools remain open in those boards. As of 6:30 a.m. Durham College, UOIT and Trent University were not reporting any class cancellations.

Environment Canada has issued a snowfall warning for most of southern Ontario with 15 to 25 centimetres of snow expected to fall by the end of today.

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The heaviest snow is expected during the morning rush hour along the Hwy. 401 corridor from London through the Greater Toronto area. It will spread quickly east during the day to Cornwall. Strong and gusty northeasterly winds could whip up the freshly fallen snow and result in very low visibility at times in blowing snow.

Snowfall rates of 2 to 4 centimetres per hour are possible during the heaviest snow, and if this occurs, near zero visibility in the heavy snow may be a significant issue to deal with. Motorists are being advised to drive with caution.